Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

More common

Body aches or pain

chills

cough

difficulty in breathing

difficulty with swallowing

discouragement

drowsiness

ear congestion

fear or nervousness

feeling sad or empty

fever

headache

inability to sit still

irritability

lack of appetite

loss of balance control

loss of interest or pleasure

loss of voice

mask-like face

nasal congestion

need to keep moving

relaxed and calm

restlessness

runny nose

shuffling walk

sleepiness or unusual drowsiness

sleeplessness

slow movement or reflexes

slurred speech

sneezing

sore throat

stiffness of arms and legs

tic-like (jerky) movements of the head, face, mouth, and neck

tiredness

trembling and shaking of fingers and hands

trouble concentrating

trouble sleeping

trouble with balance

unable to sleep

unusual tiredness or weakness

Less common

Burning while urinating

changes in patterns and rhythms of speech

cough producing mucus

difficult or painful urination

dizziness

shortness of breath

tightness in chest

trouble in speaking

trouble in walking

wheezing

Get emergency help immediately if any of the following symptoms of overdose occur:

Symptoms of overdose

Blurred vision

diarrhea

dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly

fixed position of the eye

inability to move eyes

increased blinking or spasms of the eyelid

mood or mental changes

nausea and vomiting

seeing, hearing, or feeling things that are not there

shakiness in legs, arms, hands, or feet

sticking out of tongue

sweating

trembling or shaking of hands or feet

uncontrolled twisting movements of neck, trunk, arms, or legs

unusual facial expressions

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Bruising

large, flat, blue, or purplish patches in the skin

Less common

Decreased appetite

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.